MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a large number of links, many pointing to PDF files hosted on various domains. The 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic indicates a deliberate attempt to create a link farm, suggesting a malicious intent to distribute or redirect users. The ML classifier and ClamAV detection strongly indicate maliciousness, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://hram-uspeniya.ru/ckfinder/userfiles/files/99109101625.pdf In PDF document text
- http://polipack.ru/content/file/najusipof.pdfIn PDF document text
- http://russkiivopros.com/images/FCKeditor/file/78021643752.pdfIn PDF document text
- https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/16142384cbd6d0---gebufasatiboj.pdfIn PDF document text
- http://capthepcongtrinh.com/uploads/news/files/rofujumuga.pdfIn PDF document text
- http://adance0112.com/upfile/editor/file/16591620891.pdfIn PDF document text
- http://www.palmettoexpresslanes.com/system/js/back/ckfinder/userfiles/files/jirabilil.pdfIn PDF document text
- http://iranjobex.com/cache/fck_files/file/41312550992.pdfIn PDF document text
- http://fobas.cz/userfiles/file/84801126077.pdfIn PDF document text
- http://abwgulfport.com/uploads/files/40568261997.pdfIn PDF document text
- http://galettedesrois.eu/userfiles/file/57873221211.pdfIn PDF document text
- https://aiwatopup.com/ckfinder/userfiles/files/70937013710.pdfIn PDF document text
- http://topstec.com/d/files/kolizemuragezokujavuxif.pdfIn PDF document text
- https://onlinendttraining.com/files/visono.pdfIn PDF document text
- http://elskup.pl/images/assets/file/zakukomisetojagomekado.pdfIn PDF document text
- https://pemaboutiquehotel.com/assets/userfiles/files/milivezalegivojovuter.pdfIn PDF document text
- https://teamcode.net/upload/files/sexuxekurowazelapat.pdfIn PDF document text
- http://crescentcarpets.com/userfiles/file/demuliniwisibenop.pdfIn PDF document text
- http://bbbo.handyfriendship.com/upload/files/72398082305.pdfIn PDF document text
- https://terracell.info/images/file/43855486143.pdfIn PDF document text
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/brn2cgn59iqdd2q70hdb9orlc4/47043321189.pdfIn PDF document text
- http://mediaworld.pro/ckfinder/userfiles/files/xofijabewufek.pdfIn PDF document text
- http://adirondackseafood.com/ckfinder/userfiles/files/93201374640.pdfIn PDF document text
- http://yushendesign.com/images_fck/file/1631571064.pdfIn PDF document text
- http://tcsm62.org/uploads/news/file/5543613414.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=mario+kart+7+ds+rom+downloadPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d7cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7CF | 16252 bytes |
SHA-256: 8ad6070c8027670d3eb8493bebfbbd63413dcde9d7a41867c46d60b6243d7e8b |
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font_01_sfnt_off0001018e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1018E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000119a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119A5 | 10500 bytes |
SHA-256: 9e171b718aed8f0aa79ba403a50d1691ff881d0d727ff9e3fdf7f25df0da16bc |
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